Radiation therapy is a highly effective local treatment for cancer. However, sporadic events
of tumor regression in unirradiated fields, known as abscopal effect, have been observed for
decades. This abscopal effect has more recently been postulated to be a result of antitumor
immune response induced by radiation therapy. With the advent of modern immunotherapy,
the potential for immune activation by radiation therapy defines a novel role for radiation
therapy in systemic disease. In this context, we have searched documented cases abscopal …